SIST EN 3487:2025
(Main)Aerospace series - Steel X6CrNiTi18-10 (1.4541) - Air melted - Softened - Bars for machining - a or D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
Aerospace series - Steel X6CrNiTi18-10 (1.4541) - Air melted - Softened - Bars for machining - a or D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
This document specifies the requirements relating to:
Steel X6CrNiTi18-10 (1.4541)
Air melted
Softened
Bars for machining
a or D ≤ 250 mm
500 MPa ≤ Rm ≤ 700 MPa
for aerospace applications.
W.nr: 1.4541.
ASD-STAN designation: FE-PA3601.
Luft- und Raumfahrt - Stahl X6CrNiTi18-10 (1.4541) - Lufterschmolzen - Weichgeglüht - Stangen zur spanenden Bearbeitung - a oder D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
No Scope available
Série aérospatiale - Acier X6CrNiTi18-10 (1.4541) - Élaboré à l'air - Adouci - Barres pour usinage - a ou D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
Le présent document spécifie les exigences relatives à :
Acier X6CrNiTi18-10 (1.4541)
Élaboré à l’air
Adouci
Barres pour usinage
a ou D ≤ 250 mm
500 MPa ≤ Rm ≤ 700 MPa
pour les applications aérospatiales.
W.nr : 1.4541.
Désignation ASD-STAN : FE-PA3601.
Aeronavtika - Jeklo X6CrNiTi18-10 (1.4541) - Taljeno na zraku - Mehčano - Palice za obdelavo - a ali D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
Ta dokument določa zahteve, ki se navezujejo na:
jeklo X6CrNiTi18-10 (1.4541),
taljeno na zraku,
mehčano,
palice za obdelavo,
a ali D ≤ 250 mm,
500 MPa ≤ Rm ≤ 700 MPa,
za uporabo v aeronavtiki.
Št. W.: 1.4541.
Oznaka ASD-STAN: FE-PA3601.
General Information
- Status
- Published
- Public Enquiry End Date
- 30-Nov-2020
- Publication Date
- 26-Nov-2024
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 21-Nov-2024
- Due Date
- 26-Jan-2025
- Completion Date
- 27-Nov-2024
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Overview
SIST EN 3487:2025 is a European standard developed by CEN, specifying the requirements for Steel X6CrNiTi18-10 (1.4541) bars that are air melted and softened, specifically designed for machining applications within the aerospace industry. Covering bars with a cross-sectional dimension or diameter (a or D) up to 250 mm and a tensile strength (Rm) between 500 MPa and 700 MPa, this standard ensures material quality and consistency for critical aerospace components.
This standard supersedes the previous EN 3487:2007 edition, offering updated references and editorial improvements. The material designated by W.nr 1.4541 and ASD-STAN FE-PA3601 is a widely recognized stainless steel grade employed for its formability, corrosion resistance, and reliability under stringent operating conditions.
Key Topics
- Material Requirement: SIST EN 3487:2025 defines chemical composition, mechanical properties, and heat treatment procedures for X6CrNiTi18-10 steel bars. It ensures the bars are manufactured either by rolling, forging, or drawing, and supplied in a softened condition.
- Dimensions and Strength: The standard limits the diameter or width to a maximum of 250 mm and mandates a tensile strength range (500 MPa ≤ Rm ≤ 700 MPa), along with specified values for proof stress and hardness.
- Production and Inspection: The standard includes stringent requirements for microstructure, permissible inclusion content, external and internal imperfections, and visual, ultrasonic, and dimensional inspections according to referenced standards such as EN 4700-002 and EN 4436.
- Qualification and Marking: EN 2043 details the qualification program, while marking and traceability of products are regulated to safeguard compliance and safety.
- Special Notes for Welding: For specific applications, such as high-power beam welding, the standard suggests additional limits on sulfur (S) and phosphorus (P) content and the Cr/Ni ratio by agreement between manufacturer and purchaser.
Applications
Steel bars conforming to SIST EN 3487:2025 play a critical role in the aerospace sector, where high-performance materials capable of withstanding demanding conditions are essential. Typical applications include:
- Machined Components: Precision parts subject to moderate load demands, such as fittings, brackets, fasteners, shafts, and structural supports.
- Aircraft Structural Elements: Used where stainless steel’s corrosion resistance and mechanical stability are required.
- Engine and Airframe Parts: Selected for environments needing good weldability and formability along with consistent mechanical performance.
The defined chemistry and mechanical properties make these steel bars highly reliable for machining, enabling the production of intricate shapes and robust parts fundamental to aerospace manufacturing.
Related Standards
SIST EN 3487:2025 references several essential European standards to ensure comprehensive material and process quality:
- EN 2043 – General requirements for semi-finished product qualification in the aerospace series
- EN 4436 – Steel test methods, focusing on the determination of δ ferrite content
- EN 4700-002 – Technical specification for steel and heat-resisting alloys, wrought products (including bars and sections)
- EN 4258 – General organization of standardization for aerospace metallic materials
- EN 4500-005 – Rules for drafting and presentation of material standards, specifically for steels
These related standards provide a cohesive framework for material qualification, production, inspection, and quality assurance in the aerospace industry, supporting robust compliance and international alignment.
Keywords: SIST EN 3487:2025, aerospace steel bars, X6CrNiTi18-10, 1.4541, air melted steel, softened bars, machining, CEN standard, stainless steel, aerospace material requirements, EN 4700-002, EN 2043, FE-PA3601, material qualification, European standards, corrosion-resistant steel, aircraft components
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Frequently Asked Questions
SIST EN 3487:2025 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Steel X6CrNiTi18-10 (1.4541) - Air melted - Softened - Bars for machining - a or D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa". This standard covers: This document specifies the requirements relating to: Steel X6CrNiTi18-10 (1.4541) Air melted Softened Bars for machining a or D ≤ 250 mm 500 MPa ≤ Rm ≤ 700 MPa for aerospace applications. W.nr: 1.4541. ASD-STAN designation: FE-PA3601.
This document specifies the requirements relating to: Steel X6CrNiTi18-10 (1.4541) Air melted Softened Bars for machining a or D ≤ 250 mm 500 MPa ≤ Rm ≤ 700 MPa for aerospace applications. W.nr: 1.4541. ASD-STAN designation: FE-PA3601.
SIST EN 3487:2025 is classified under the following ICS (International Classification for Standards) categories: 49.025.10 - Steels; 77.140.60 - Steel bars and rods. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 3487:2025 has the following relationships with other standards: It is inter standard links to SIST EN 4700-002:2026, SIST EN 2043:2014, SIST EN 4801:2017, SIST EN 4552:2004, SIST EN 4632-004:2014, SIST EN 4556:2004, SIST EN 3631:2015, SIST EN 2243-4:2006, SIST EN 4555:2004, SIST EN 4234:2020, SIST EN 4551:2004, SIST EN 4557:2004, SIST EN 4554:2004, SIST EN 4561:2004, SIST EN 4553:2004. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 3487:2025 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-januar-2025
Aeronavtika - Jeklo X6CrNiTi18-10 (1.4541) - Taljeno na zraku - Mehčano - Palice za
obdelavo - a ali D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
Aerospace series - Steel X6CrNiTi18-10 (1.4541) - Air melted - Softened - Bars for
machining - a or D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
Luft- und Raumfahrt - Stahl X6CrNiTi18-10 (1.4541) - Lufterschmolzen - Weichgeglüht -
Stangen zur spanenden Bearbeitung - a oder D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
Série aérospatiale - Acier X6CrNiTi18-10 (1.4541) - Élaboré à l'air - Adouci - Barres pour
usinage - a ou D ≤ 250 mm - 500 MPa ≤ Rm ≤ 700 MPa
Ta slovenski standard je istoveten z: EN 3487:2024
ICS:
49.025.10 Jekla Steels
77.140.60 Jeklene palice in drogovi Steel bars and rods
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 3487
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2024
EUROPÄISCHE NORM
ICS 49.025.10 Supersedes EN 3487:2007
English Version
Aerospace series - Steel X6CrNiTi18-10 (1.4541) - Air
melted - Softened - Bars for machining - a or D 250 mm -
500 MPa Rm 700 MPa
Série aérospatiale - Acier X6CrNiTi18-10 (1.4541) - Luft- und Raumfahrt - Stahl X6CrNiTi18-10 (1.4541) -
Élaboré à l'air - Adouci - Barres pour usinage - a ou D Lufterschmolzen - Weichgeglüht - Stangen zur
250 mm - 500 MPa Rm 700 MPa spanenden Bearbeitung - a oder D 250 mm - 500 MPa
Rm 700 MPa
This European Standard was approved by CEN on 19 May 2024.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3487:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 5
Bibliography . 6
European foreword
This document (EN 3487:2024) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by May 2025, and conflicting national standards shall be withdrawn at
the latest by May 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 3487:2007.
The main changes with respect to the previous edition are as follows:
— EN 3487 (P2), 12/2007 — General editorial improvements and update of the references in the
bibliography
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